Home / 132,639.52-183,055.76-99,047.20

Finding the Fourth Proportional to 132,639.52, 183,055.76 and 99,047.20

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Solution

The fourth proportional to 132,639.52, 183,055.76 and 99,047.20 is: 136,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,639.52 : 183,055.76 = 99,047.20 : x
  2. Step 2: Convert to fraction form
    132,639.52/183,055.76 = 99,047.20/x
  3. Step 3: Cross multiply
    132,639.52x = 183,055.76 × 99,047.20
  4. Step 4: Simplify right side
    132,639.52x = 18,131,160,471.87
  5. Step 5: Solve for x
    x = 18,131,160,471.87/132,639.52
  6. Step 6: Final answer
    x = 136,695.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.